45-406 Bicycle Tires (20x1.75)

ETRTO is the only tire size standard that describes a real, measurable dimension, which is why it is the one worth trusting. Read 45-406 as “45 mm wide, on a 406 mm rim”. If the second number matches your rim, the tire fits.

All 2 tires in 45-406

2 listings across 2 models, sorted by brand and weight. Where one model appears more than once, those are genuinely different products — a different casing, colour or claimed weight.

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Close alternatives for a 406 mm rim

These tires have a different width but the same 406 mm bead seat diameter, so they mount on the same wheel. Widths within ±3 mm of 45 mm are shown. Check your frame and fork clearance before going wider.

Brands making 45-406 tires

Vittoria.

Other sizes for 20-inch wheels

Every size below fits the same 406 mm rim.

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